package cn.itcast.order.service;

import cn.itcast.order.client.UserFeign;
import cn.itcast.order.mapper.OrderMapper;
import cn.itcast.order.pojo.Order;
import cn.itcast.order.pojo.User;
import com.alibaba.fastjson.JSON;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;

@Service
//@DefaultProperties(defaultFallback = "allMethodFallBack")
public class OrderService {

    @Autowired
    private OrderMapper orderMapper;
//    @Autowired
//    private RestTemplate restTemplate;
    @Autowired
    private UserFeign userFeign;

    //@HystrixCommand(fallbackMethod ="queryOrderByIdFallBack" )
    //@HystrixCommand
    public String queryOrderById(Long orderId) {
        //查询订单
        Order order = orderMapper.findById(orderId);
        //根据用户id去远程查询用户信息   硬编码
        //User user = restTemplate.getForObject("http://localhost:8081/user/" + order.getUserId(), User.class);
        //User user = restTemplate.getForObject("http://userservice/user/" + order.getUserId(), User.class);
        User user = userFeign.queryById(order.getUserId());


        //把用户信息set到Order中
        order.setUser(user);
        //返回
        return JSON.toJSONString(order);
    }


//    //降级方法和原方法：1、参数保持一致 2、返回类型保持一致
//    public String queryOrderByIdFallBack(Long orderId) {
//        return "服务器太忙，请别再试了.....";
//    }
//
//    //全局降级方法
//    public String allMethodFallBack() {
//        return "服务器被你挤爆了，别刷新了.....";
//    }
}
